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Monday, May 12, 2008

Expelled astronomer publishes new paper in Royal Astronomy Society journal

Guillermo Gonzalez, the brilliant young astronomer who was refused tenure at Iowa State U becuase of his ID sympathies, has a new paper out, "Parent stars of extrasolar planets – IX. Lithium abundances." A paywall hides the article itself but here's the Abstract:
We compare the Li abundances of a sample of stars with planets discovered with the Doppler method to a sample of stars without detected planets. We prepared the samples by combining the Li abundances reported in several recent studies in a consistent way. Our results confirm recent claims that the Li abundances of stars with planets are smaller than those of stars without planets near the solar temperature. We also find that the vsini and R'HK anomalies correlate with the Li abundance anomalies. These results suggest that planet formation processes have altered the rotation and Li abundances of stars that host Doppler-detected planets. We encourage others to test these findings with additional observations of Li in stars with temperatures between 5600 and 6200 K.

Citation: Guillermo Gonzalez (2008) Parent stars of extrasolar planets - IX. Lithium abundances Monthly Notices of the Royal Astronomical Society 386 (2) , 928–934 doi:10.1111/j.1365-2966.2008.13067.x
Word on the street is that Guillermo's new campus home, Grove City College, will upgrade its astronomy facilities to give him a decent chance. However, I notice from the new paper that his e-mail address is still at Iowa State for now. He must be counting the days ...

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